Home / 117,625.92-162,318.54-66,637.65

Finding the Fourth Proportional to 117,625.92, 162,318.54 and 66,637.65

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Solution

The fourth proportional to 117,625.92, 162,318.54 and 66,637.65 is: 91,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,625.92 : 162,318.54 = 66,637.65 : x
  2. Step 2: Convert to fraction form
    117,625.92/162,318.54 = 66,637.65/x
  3. Step 3: Cross multiply
    117,625.92x = 162,318.54 × 66,637.65
  4. Step 4: Simplify right side
    117,625.92x = 10,816,526,057.03
  5. Step 5: Solve for x
    x = 10,816,526,057.03/117,625.92
  6. Step 6: Final answer
    x = 91,956.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.